package com.manager.interceptor;

import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

//登录拦截器
@Component
public class LoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession();
        Object user =  session.getAttribute("ad");
        if (user == null){
            String uri = request.getRequestURI();
            request.getSession().setAttribute("toPath",uri);
            response.sendRedirect("/");
            return false;
        }
        return true;
    }
}
